Granted Patent
Utility
US 4,007,659 · App. 05/549,562
Fastener insert with improved anti-rotation and pull-out characteristics
Inventor:
Edgar L. Stencel
Patented Case
View Patent ↗
Granted: Feb 15, 1977
Filed: Feb 13, 1975
Inventor
Edgar L. Stencel
Assignee (at issue)
VSI, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.